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	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">// Copyright 2012 Google Inc. All Rights Reserved.</span><span class="WHIT">
<span class='line'>  2</span> </span><span class="COMM">//</span><span class="WHIT">
<span class='line'>  3</span> </span><span class="COMM">// Licensed under the Apache License, Version 2.0 (the "License");</span><span class="WHIT">
<span class='line'>  4</span> </span><span class="COMM">// you may not use this file except in compliance with the License.</span><span class="WHIT">
<span class='line'>  5</span> </span><span class="COMM">// You may obtain a copy of the License at</span><span class="WHIT">
<span class='line'>  6</span> </span><span class="COMM">//</span><span class="WHIT">
<span class='line'>  7</span> </span><span class="COMM">//      http://www.apache.org/licenses/LICENSE-2.0</span><span class="WHIT">
<span class='line'>  8</span> </span><span class="COMM">//</span><span class="WHIT">
<span class='line'>  9</span> </span><span class="COMM">// Unless required by applicable law or agreed to in writing, software</span><span class="WHIT">
<span class='line'> 10</span> </span><span class="COMM">// distributed under the License is distributed on an "AS-IS" BASIS,</span><span class="WHIT">
<span class='line'> 11</span> </span><span class="COMM">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span><span class="WHIT">
<span class='line'> 12</span> </span><span class="COMM">// See the License for the specific language governing permissions and</span><span class="WHIT">
<span class='line'> 13</span> </span><span class="COMM">// limitations under the License.</span><span class="WHIT">
<span class='line'> 14</span> 
<span class='line'> 15</span> </span><span class="COMM">/**
<span class='line'> 16</span>  * This controller will take care of determining where the focus moves when
<span class='line'> 17</span>  * a key press or mouse movement has occurred
<span class='line'> 18</span>  *
<span class='line'> 19</span>  * @constructor
<span class='line'> 20</span>  */</span><span class="WHIT">
<span class='line'> 21</span> </span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">FocusController</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 22</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">focusableItems</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 23</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">moving</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 24</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">currentlyFocusedItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 25</span> 
<span class='line'> 26</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 27</span>     * Check whether a focusable item is already in the item array
<span class='line'> 28</span>     * @param {FocusableItem} item Check to see if the FocusableItem is already
<span class='line'> 29</span>     * in the FocusController
<span class='line'> 30</span>     */</span><span class="WHIT">
<span class='line'> 31</span> </span><span class="WHIT">    </span><span class="NAME">this.isFocusableItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">item</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 32</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">focusableItems.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 33</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">focusableItems</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">item</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 34</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 35</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 36</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 37</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 38</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 39</span> 
<span class='line'> 40</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 41</span>     * Push a focusable item onto item array
<span class='line'> 42</span>     * @private
<span class='line'> 43</span>     * @param {FocusableItem} item
<span class='line'> 44</span>     */</span><span class="WHIT">
<span class='line'> 45</span> </span><span class="WHIT">    </span><span class="NAME">this.pushFocusableItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">item</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 46</span> </span><span class="WHIT">        </span><span class="NAME">focusableItems.push</span><span class="PUNC">(</span><span class="NAME">item</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 48</span> 
<span class='line'> 49</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 50</span>     * Remove a focusable item from the controller
<span class='line'> 51</span>     * @param {FocusableItem} item The item to remove
<span class='line'> 52</span>     */</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="WHIT">    </span><span class="NAME">this.removeFocusableItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">item</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 54</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">focusableItems.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 55</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">focusableItems</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">item</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 56</span> </span><span class="WHIT">                </span><span class="NAME">focusableItems.splice</span><span class="PUNC">(</span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 57</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 58</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 62</span> 
<span class='line'> 63</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 64</span>     * Get the number of focusable items in the controller
<span class='line'> 65</span>     */</span><span class="WHIT">
<span class='line'> 66</span> </span><span class="WHIT">    </span><span class="NAME">this.getFocusableItemCount</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 67</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">focusableItems.length</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 68</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 69</span> 
<span class='line'> 70</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 71</span>     * Get a focusable item at a particular index in the array
<span class='line'> 72</span>     * @param {int} index
<span class='line'> 73</span>     */</span><span class="WHIT">
<span class='line'> 74</span> </span><span class="WHIT">    </span><span class="NAME">this.getFocusableItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">index</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 75</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NAME">focusableItems.length</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 76</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 77</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 78</span> 
<span class='line'> 79</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">focusableItems</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 80</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 81</span> 
<span class='line'> 82</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 83</span>     * Get the currently focused FocusableItem
<span class='line'> 84</span>     */</span><span class="WHIT">
<span class='line'> 85</span> </span><span class="WHIT">    </span><span class="NAME">this.getCurrentlyFocusedItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 86</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">currentlyFocusedItem</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 87</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 88</span> 
<span class='line'> 89</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 90</span>     * Is the focus currently moving
<span class='line'> 91</span>     */</span><span class="WHIT">
<span class='line'> 92</span> </span><span class="WHIT">    </span><span class="NAME">this.isMoving</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 93</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">moving</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 94</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 95</span> 
<span class='line'> 96</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 97</span>     * This method performs a change of focus to the item index
<span class='line'> 98</span>     * @param {int} itemIndex
<span class='line'> 99</span>     */</span><span class="WHIT">
<span class='line'>100</span> </span><span class="WHIT">    </span><span class="NAME">this.handleFocusChangeToItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">itemIndex</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>101</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">currentlyFocusedItem</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>102</span> </span><span class="WHIT">            </span><span class="NAME">currentlyFocusedItem.setFocusState</span><span class="PUNC">(</span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>103</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>104</span> 
<span class='line'>105</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">focusableItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getFocusableItem</span><span class="PUNC">(</span><span class="NAME">itemIndex</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>106</span> </span><span class="WHIT">        </span><span class="NAME">focusableItem.setFocusState</span><span class="PUNC">(</span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>107</span> 
<span class='line'>108</span> </span><span class="WHIT">        </span><span class="NAME">currentlyFocusedItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">focusableItem</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>109</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>110</span> 
<span class='line'>111</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>112</span>     * This will take a direction vector and move the focus to the most
<span class='line'>113</span>     * appropriate item or make no change if there are no items to move to
<span class='line'>114</span>     * @param {array} direction A direction vector [x, y]
<span class='line'>115</span>     */</span><span class="WHIT">
<span class='line'>116</span> </span><span class="WHIT">    </span><span class="NAME">this.moveFocus</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">direction</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>117</span> </span><span class="WHIT">        </span><span class="COMM">// We need an item to move down from</span><span class="WHIT">
<span class='line'>118</span> </span><span class="WHIT">        </span><span class="COMM">// TODO: Should initialise focus if not initialised</span><span class="WHIT">
<span class='line'>119</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">currentlyFocusedItem</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>120</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>121</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>122</span> 
<span class='line'>123</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">minItemDistance</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>124</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">newItem</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>125</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">minItem</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>126</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">minItemIndex</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>127</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">focusableItems.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>128</span> </span><span class="WHIT">            </span><span class="NAME">newItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">focusableItems</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>129</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">newItem</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">currentlyFocusedItem</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>130</span> </span><span class="WHIT">                </span><span class="KEYW">continue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>131</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>132</span> 
<span class='line'>133</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">itemDistance</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">calculateElementDistance</span><span class="PUNC">(</span><span class="NAME">currentlyFocusedItem</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">newItem</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">direction</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>134</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">itemDistance</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">minItemDistance</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT">
<span class='line'>135</span> </span><span class="WHIT">                </span><span class="NAME">itemDistance</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">minItemDistance</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>136</span> </span><span class="WHIT">                </span><span class="NAME">minItemDistance</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">itemDistance</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>137</span> </span><span class="WHIT">                </span><span class="NAME">minItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">newItem</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>138</span> </span><span class="WHIT">                </span><span class="NAME">minItemIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>139</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>140</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>141</span> 
<span class='line'>142</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">minItemIndex</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>143</span> </span><span class="WHIT">            </span><span class="NAME">this.handleFocusChangeToItem</span><span class="PUNC">(</span><span class="NAME">minItemIndex</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>144</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>145</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>146</span> 
<span class='line'>147</span> </span><span class="WHIT">    </span><span class="COMM">// Set up binding to listen for key presses</span><span class="WHIT">
<span class='line'>148</span> </span><span class="WHIT">    </span><span class="NAME">$</span><span class="PUNC">(</span><span class="NAME">document</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">bind</span><span class="PUNC">(</span><span class="STRN">'keydown.keycontroller'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>149</span> </span><span class="WHIT">        </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>150</span> </span><span class="WHIT">            </span><span class="NAME">console.log</span><span class="PUNC">(</span><span class="STRN">"focusController -> keyController"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>151</span> </span><span class="WHIT">            </span><span class="NAME">this.onKeyDown</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>152</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">.</span><span class="NAME">bind</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'>153</span> </span><span class="WHIT">    </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>154</span> 
<span class='line'>155</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>156</span>     * @private
<span class='line'>157</span>     */</span><span class="WHIT">
<span class='line'>158</span> </span><span class="WHIT">    </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">calculateElementDistance</span><span class="PUNC">(</span><span class="NAME">fromFocusableItem</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">toFocusableItem</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">direction</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>159</span> 
<span class='line'>160</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fromElement</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromFocusableItem.getElement</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>161</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">toElement</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toFocusableItem.getElement</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>162</span> 
<span class='line'>163</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fromElementOffset</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElement.offset</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>164</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementOffset.left</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>165</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fromElementRight</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">fromElement.outerWidth</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>166</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementOffset.top</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>167</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fromElementBottom</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">fromElement.outerHeight</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>168</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fromElementCenterX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">fromElement.outerWidth</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>169</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fromElementCenterY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">fromElement.outerHeight</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>170</span> 
<span class='line'>171</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">toElementOffset</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElement.offset</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>172</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">toElementLeft</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementOffset.left</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>173</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">toElementRight</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementLeft</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">toElement.outerWidth</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>174</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">toElementTop</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementOffset.top</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>175</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">toElementBottom</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementTop</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">toElement.outerHeight</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>176</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">toElementCenterX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementLeft</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">toElement.outerWidth</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>177</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">toElementCenterY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementTop</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">toElement.outerHeight</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>178</span> 
<span class='line'>179</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>180</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>181</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">toItemDistance</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>182</span> 
<span class='line'>183</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">direction.y</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>184</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">direction.x</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>185</span> </span><span class="WHIT">                </span><span class="COMM">// Move Left</span><span class="WHIT">
<span class='line'>186</span> 
<span class='line'>187</span> </span><span class="WHIT">                </span><span class="COMM">// The to element is on the left hand side</span><span class="WHIT">
<span class='line'>188</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">toElementRight</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>189</span> </span><span class="WHIT">                    </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementRight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>190</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>191</span> 
<span class='line'>192</span> </span><span class="WHIT">                </span><span class="COMM">// To element is to left but may overlap?</span><span class="WHIT">
<span class='line'>193</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">toElementCenterX</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>194</span> </span><span class="WHIT">                    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>195</span> </span><span class="WHIT">                        </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementCenterX</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>196</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>197</span> </span><span class="WHIT">                        </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementCenterX</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>198</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>199</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>200</span> 
<span class='line'>201</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">toElementRight</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>202</span> </span><span class="WHIT">                    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>203</span> </span><span class="WHIT">                        </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementRight</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>204</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>205</span> </span><span class="WHIT">                        </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementRight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>206</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>207</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>208</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">direction.x</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>209</span> </span><span class="WHIT">                </span><span class="COMM">// Move Right</span><span class="WHIT">
<span class='line'>210</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">fromElementRight</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">toElementLeft</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>211</span> </span><span class="WHIT">                    </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementLeft</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementRight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>212</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>213</span> 
<span class='line'>214</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">fromElementRight</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">toElementCenterX</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>215</span> </span><span class="WHIT">                    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>216</span> </span><span class="WHIT">                        </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">toElementCenterX</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementRight</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>217</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>218</span> </span><span class="WHIT">                        </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementCenterX</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementRight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>219</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>220</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>221</span> 
<span class='line'>222</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">fromElementLeft</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">toElementLeft</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>223</span> </span><span class="WHIT">                    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>224</span> </span><span class="WHIT">                        </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">toElementLeft</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>225</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>226</span> </span><span class="WHIT">                        </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementLeft</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementLeft</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>227</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>228</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>229</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>230</span> 
<span class='line'>231</span> </span><span class="WHIT">            </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">Math.abs</span><span class="PUNC">(</span><span class="NAME">fromElementCenterY</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementTop</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>232</span> </span><span class="WHIT">               </span><span class="NAME">Math.abs</span><span class="PUNC">(</span><span class="NAME">fromElementCenterY</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementCenterY</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>233</span> </span><span class="WHIT">               </span><span class="NAME">Math.abs</span><span class="PUNC">(</span><span class="NAME">fromElementCenterY</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementBottom</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>234</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">direction.x</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>235</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">direction.y</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>236</span> </span><span class="WHIT">                </span><span class="COMM">// Move Up</span><span class="WHIT">
<span class='line'>237</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">toElementBottom</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>238</span> </span><span class="WHIT">                    </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementBottom</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>239</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>240</span> 
<span class='line'>241</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">toElementCenterY</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>242</span> </span><span class="WHIT">                    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>243</span> </span><span class="WHIT">                        </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">distanceY</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementCenterY</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>244</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>245</span> </span><span class="WHIT">                        </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementCenterY</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>246</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>247</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>248</span> 
<span class='line'>249</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">toElementBottom</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>250</span> </span><span class="WHIT">                    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>251</span> </span><span class="WHIT">                        </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">distanceY</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementBottom</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>252</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>253</span> </span><span class="WHIT">                        </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementBottom</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>254</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>255</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>256</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">direction.y</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>257</span> </span><span class="WHIT">                </span><span class="COMM">// Move Down</span><span class="WHIT">
<span class='line'>258</span> 
<span class='line'>259</span> </span><span class="WHIT">                </span><span class="COMM">// Handle when the view is above the current view</span><span class="WHIT">
<span class='line'>260</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">fromElementBottom</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">toElementTop</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>261</span> </span><span class="WHIT">                    </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementTop</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementBottom</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>262</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>263</span> 
<span class='line'>264</span> </span><span class="WHIT">                </span><span class="COMM">// If the item overlaps the currebt</span><span class="WHIT">
<span class='line'>265</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">fromElementBottom</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">toElementCenterY</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>266</span> </span><span class="WHIT">                    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>267</span> </span><span class="WHIT">                        </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">distanceY</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">toElementCenterY</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementBottom</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>268</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>269</span> </span><span class="WHIT">                        </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementCenterY</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementBottom</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>270</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>271</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>272</span> 
<span class='line'>273</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">fromElementTop</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">toElementTop</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>274</span> </span><span class="WHIT">                    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>275</span> </span><span class="WHIT">                        </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">distanceY</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">toElementTop</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>276</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>277</span> </span><span class="WHIT">                        </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">toElementTop</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">fromElementTop</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>278</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>279</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>280</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>281</span> 
<span class='line'>282</span> </span><span class="WHIT">            </span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">(</span><span class="NAME">Math.abs</span><span class="PUNC">(</span><span class="NAME">fromElementCenterX</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementLeft</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>283</span> </span><span class="WHIT">               </span><span class="NAME">Math.abs</span><span class="PUNC">(</span><span class="NAME">fromElementCenterX</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementCenterX</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>284</span> </span><span class="WHIT">               </span><span class="NAME">Math.abs</span><span class="PUNC">(</span><span class="NAME">fromElementCenterX</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">toElementRight</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>285</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>286</span> 
<span class='line'>287</span> </span><span class="WHIT">        </span><span class="COMM">// If either distance is undefined, the toItem is in the wrong direction,</span><span class="WHIT">
<span class='line'>288</span> </span><span class="WHIT">        </span><span class="COMM">// so forget trying to move to it.</span><span class="WHIT">
<span class='line'>289</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">distanceY</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>290</span> </span><span class="WHIT">            </span><span class="NAME">toItemDistance</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">calcDistance</span><span class="PUNC">(</span><span class="NAME">distanceX</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">distanceY</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>291</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>292</span> 
<span class='line'>293</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">toItemDistance</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>294</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>295</span> 
<span class='line'>296</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>297</span>     * @private
<span class='line'>298</span>     */</span><span class="WHIT">
<span class='line'>299</span> </span><span class="WHIT">    </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">calcDistance</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>300</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">Math.floor</span><span class="PUNC">(</span><span class="NAME">Math.sqrt</span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>301</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>302</span> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>303</span> 
<span class='line'>304</span> </span><span class="COMM">/**
<span class='line'>305</span> * This method will add a focusable item to the controller
<span class='line'>306</span> * @function
<span class='line'>307</span> * @param {FocusableItem} item Focusable item to be handled by this
<span class='line'>308</span> * FocusController
<span class='line'>309</span> */</span><span class="WHIT">
<span class='line'>310</span> </span><span class="NAME">FocusController.prototype.addFocusableItem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">item</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>311</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this.isFocusableItem</span><span class="PUNC">(</span><span class="NAME">item</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>312</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>313</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>314</span> 
<span class='line'>315</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">itemIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getFocusableItemCount</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>316</span> </span><span class="WHIT">    </span><span class="NAME">this.pushFocusableItem</span><span class="PUNC">(</span><span class="NAME">item</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>317</span> 
<span class='line'>318</span> </span><span class="WHIT">    </span><span class="COMM">// This is essentially the dom element of the focusable item</span><span class="WHIT">
<span class='line'>319</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">element</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">item.getElement</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>320</span> </span><span class="WHIT">    </span><span class="NAME">element.bind</span><span class="PUNC">(</span><span class="STRN">'mouseenter.keycontroller'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="NAME">itemIndex</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">itemIndex</span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">event</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>321</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this.isMoving</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>322</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>323</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>324</span> 
<span class='line'>325</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">itemIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">event.data.itemIndex</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>326</span> </span><span class="WHIT">        </span><span class="NAME">this.handleFocusChangeToItem</span><span class="PUNC">(</span><span class="NAME">itemIndex</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>327</span> 
<span class='line'>328</span> </span><span class="WHIT">        </span><span class="NAME">event.stopPropagation</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>329</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">.</span><span class="NAME">bind</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>330</span> 
<span class='line'>331</span> </span><span class="WHIT">    </span><span class="NAME">element.bind</span><span class="PUNC">(</span><span class="STRN">'click.keycontroller'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="NAME">itemIndex</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">itemIndex</span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">event</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>332</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this.isMoving</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>333</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>334</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>335</span> 
<span class='line'>336</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">itemIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">event.data.itemIndex</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>337</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this.getCurrentlyFocusedItem</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>338</span> </span><span class="WHIT">            </span><span class="NAME">this.getCurrentlyFocusedItem</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">onItemClick</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>339</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>340</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">.</span><span class="NAME">bind</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>341</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>342</span> 
<span class='line'>343</span> </span><span class="COMM">/**
<span class='line'>344</span> * On a key press this method will handle moving the focus
<span class='line'>345</span> * @function
<span class='line'>346</span> * @param {int} event Browser key code
<span class='line'>347</span> */</span><span class="WHIT">
<span class='line'>348</span> </span><span class="NAME">FocusController.prototype.onKeyDown</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">event</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>349</span> </span><span class="WHIT">    </span><span class="KEYW">switch</span><span class="PUNC">(</span><span class="NAME">event.keyCode</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>350</span> </span><span class="WHIT">        </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">9</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>351</span> </span><span class="WHIT">            </span><span class="COMM">// Tab</span><span class="WHIT">
<span class='line'>352</span> </span><span class="WHIT">            </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>353</span> </span><span class="WHIT">        </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">37</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>354</span> </span><span class="WHIT">            </span><span class="COMM">// Left</span><span class="WHIT">
<span class='line'>355</span> </span><span class="WHIT">            </span><span class="NAME">this.moveFocus</span><span class="PUNC">(</span><span class="PUNC">{</span><span class="NAME">x</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>356</span> </span><span class="WHIT">            </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>357</span> </span><span class="WHIT">        </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">38</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>358</span> </span><span class="WHIT">            </span><span class="COMM">// Up</span><span class="WHIT">
<span class='line'>359</span> </span><span class="WHIT">            </span><span class="NAME">this.moveFocus</span><span class="PUNC">(</span><span class="PUNC">{</span><span class="NAME">x</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>360</span> </span><span class="WHIT">            </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>361</span> </span><span class="WHIT">        </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">39</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>362</span> </span><span class="WHIT">            </span><span class="COMM">// Right</span><span class="WHIT">
<span class='line'>363</span> </span><span class="WHIT">            </span><span class="NAME">this.moveFocus</span><span class="PUNC">(</span><span class="PUNC">{</span><span class="NAME">x</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>364</span> </span><span class="WHIT">            </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>365</span> </span><span class="WHIT">        </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">40</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>366</span> </span><span class="WHIT">            </span><span class="COMM">// Down</span><span class="WHIT">
<span class='line'>367</span> </span><span class="WHIT">            </span><span class="NAME">this.moveFocus</span><span class="PUNC">(</span><span class="PUNC">{</span><span class="NAME">x</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>368</span> </span><span class="WHIT">            </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>369</span> </span><span class="WHIT">        </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="NUMB">13</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>370</span> </span><span class="WHIT">            </span><span class="COMM">// Enter</span><span class="WHIT">
<span class='line'>371</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this.getCurrentlyFocusedItem</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>372</span> </span><span class="WHIT">                </span><span class="NAME">this.getCurrentlyFocusedItem</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">onItemClick</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>373</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>374</span> </span><span class="WHIT">            </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>375</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>376</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>377</span> </span></pre></body></html>